feat(nixvim): base my vim config upon nixvim

hosts/neon/home.nix

@@ -1,10 +1,32 @@
-{ config, pkgs, ... }:
+{ config, pkgs, inputs, ... }:
 
 {
   # user config
   home.username = "aaron";
   home.homeDirectory = "/home/aaron";
 
+  # nixvim config
+  programs.nixvim = {
+    globals.mapleader = " ";
+    enable = true;
+    viAlias = false;
+    vimAlias = true;
+    opts = {
+      number = true;
+      relativenumber = true;
+      shiftwidth = 2;
+      tabstop = 2;
+      expandtab = true;
+      incsearch = true;
+    };
+    colorschemes.nord.enable = true;
+    plugins.lualine.enable = true;
+    plugins.nix.enable = true;
+    plugins.treesitter.enable = true;
+    plugins.telescope.enable = true;
+    plugins.web-devicons.enable = true;
+  };
+
   # user packages
   home.packages = with pkgs; [
     discord
@@ -45,7 +67,7 @@
     powerline-symbols
     nerd-fonts.sauce-code-pro
   ];
-
+  
   # configure git
   programs.git.settings = {
     enable = true;
@@ -93,10 +115,8 @@
 
   # enable syncthing for user
   services.syncthing.enable = true;
-
   # enable home manager
   programs.home-manager.enable = true;
-
   # don't change
   home.stateVersion = "25.11";
 }